How severe is CVE-2026-11047?

CVE-2026-11047 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-11047 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-11047?

CVE-2026-11047 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-11047?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-11047 have an EU (EUVD) identifier?

Yes. CVE-2026-11047 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34496.

When was CVE-2026-11047 published?

CVE-2026-11047 was published on 2026-06-04 and last updated on 2026-06-17.

CVE-2026-11047

CVE-2026-11047 is a critical-severity vulnerability in Google Chrome with a CVSS 3.x base score of 9.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.6)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34496
Weakness: CWE-20
Affected product: Google Chrome
Published: 2026-06-04
Last modified: 2026-06-17

Description

Inappropriate implementation in Base in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

Frequently asked questions

What is CVE-2026-11047?: Inappropriate implementation in Base in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
How severe is CVE-2026-11047?: CVE-2026-11047 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-11047 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-11047?: CVE-2026-11047 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-11047?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-11047 have an EU (EUVD) identifier?: Yes. CVE-2026-11047 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34496.
When was CVE-2026-11047 published?: CVE-2026-11047 was published on 2026-06-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

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